import { login, logout, getInfo } from '@/api/user'
import { getToken, setToken, removeToken } from '@/utils/auth'
import { allAsyncRoutes, anyRoutes } from '@/router'
import { resetRouter } from '@/router/route'
import { staticRoutes } from '@/router'
import { cloneDeep } from 'lodash'
import router from '@/router/route'
const getDefaultState = () => {
  return {
    token: getToken(),
    name: '', //姓名
    avatar: '', //头像
    roles: [],  //角色
    buttons: [], //按钮权限相关
    routeNames: [],
    menuRoutes: [],
  }
}

const state = getDefaultState()

const mutations = {
  RESET_STATE: (state) => {
    Object.assign(state, getDefaultState())
  },
  SET_TOKEN: (state, token) => {
    state.token = token
  },
  SET_NAME: (state, name) => {
    state.name = name
  },
  SET_AVATAR: (state, avatar) => {
    state.avatar = avatar
  },
  SET_USER_PERMISSION: (state, data) => {
    state.name = data.name
    state.avatar = data.avatar
    state.roles = data.roles
    state.buttons = data.buttons
    state.routeNames = data.routes
    state.menuRoutes = staticRoutes
    setRoutes(data.routes)
  }
}

const setRoutes = (routeNames) => {
  // console.log(routeNames)
  // console.log(cloneDeep(allAsyncRoutes))
  const asyncRoutes = filterAsyncRoutes(cloneDeep(allAsyncRoutes), routeNames)
  addRoutes(asyncRoutes)
  addRoutes(anyRoutes)
  state.menuRoutes = [...staticRoutes, ...asyncRoutes, ...anyRoutes]
}

const addRoutes = (asyncRoutes) => {
  asyncRoutes.forEach(routeObj => {
    router.addRoute(routeObj)
  })
}

const filterAsyncRoutes = (asyncRoutes, routeNames) => {
  const newAsyncRoutes = asyncRoutes.filter(routeObj => {
    // console.log(routeObj)
    const name = routeObj.name

    if (!routeNames.includes(name)) {
      return false
    }

    if (routeObj.children?.length) {
      routeObj.children = filterAsyncRoutes(routeObj.children, routeNames)
    }
    return true
  })

  // console.log(newAsyncRoutes)
  return newAsyncRoutes
}



const actions = {
  // user login
  login({ commit }, userInfo) {
    const { username, password } = userInfo
    return new Promise((resolve, reject) => {
      login({ username: username.trim(), password: password }).then(response => {
        const { data } = response
        commit('SET_TOKEN', data.token)
        setToken(data.token)
        resolve()
      }).catch(error => {
        reject(error)
      })
    })
  },

  // get user info
  getInfo({ commit, state }) {
    return new Promise((resolve, reject) => {
      getInfo().then(response => {
        const { data } = response

        if (!data) {
          return reject('Verification failed, please Login again.')
        }
        // const { name, avatar } = data
        // console.log(data)
        commit('SET_USER_PERMISSION', data)
        // commit('SET_AVATAR', avatar)
        resolve(data)
      }).catch(error => {
        reject(error)
      })
    })
  },

  // user logout
  logout({ commit, state }) {
    return new Promise((resolve, reject) => {
      logout(state.token).then(() => {
        removeToken() // must remove  token  first
        resetRouter()
        commit('RESET_STATE')
        resolve()
      }).catch(error => {
        reject(error)
      })
    })
  },

  // remove token
  resetToken({ commit }) {
    return new Promise(resolve => {
      removeToken() // must remove  token  first
      commit('RESET_STATE')
      resolve()
    })
  }
}

export default {
  namespaced: true,
  state,
  mutations,
  actions
}

